A Racecar Starts from Rest and Accelerates at a Constant

question 19

Multiple Choice

A racecar starts from rest and accelerates at a constant rate and reaches a speed of 160 km/h (100 mph) in 6.0 seconds.It continues at this speed for another 5 seconds.What is the car's average speed during the first 11 seconds?

• A)34.3 m/s
• B)29.3 m/s
• C)22.2 m/s
• D)32.3 m/s
• E)44.4 m/s

---

Definitions:

Favorable Stimulus

A stimulus that elicits a positive response or behavior from an organism.

Negative Reinforcement

A behavior modification technique that increases the likelihood of a behavior by removing or avoiding a negative outcome or stimulus.

Electric Shock

A sudden discharge of electricity through a part of the body, capable of causing injury or various physiological effects.

Lever

A simple machine consisting of a rigid bar that pivots on a fixed point to lift or move loads with one end when force is applied to the other.